fragments.texi, [...]: Mention new file config.build.

	* doc/fragments.texi, doc/sourcebuild.texi: Mention new file
	config.build.

	* config.build: New file.
	* config.gcc: Remove some build-specific stuff.
	* configure.in: Use config.build.
	* configure: Regnerate.

From-SVN: r70965

1 files changed, 16 insertions, 42 deletions

diff --git a/gcc/config.gcc b/gcc/config.gcc
index 3cee0ca..8c9a341 100644
--- a/gcc/config.gcc
+++ b/gcc/config.gcc
@@ -1,4 +1,4 @@
-# GCC build-, host- and target-specific configuration file.
+# GCC host- and target-specific configuration file.
 # Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003
 # Free Software Foundation, Inc.
 
@@ -19,13 +19,13 @@
 #Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 #02111-1307, USA.
 
-# This is the GCC build-, host- and target-specific configuration file
+# This is the GCC host- and target-specific configuration file
 # where a configuration type, as recognized and generated by config.bfd,
 # is mapped to different system-specific definitions and files.  This is
-# invoked by the autoconf-generated configure script, called for build,
+# invoked by the autoconf-generated configure script, called for
 # host and target in that order, setting ${machine} to each.  Putting it
 # in a separate shell file lets us skip running autoconf when modifying
-# build-, host- and target-specific information.
+# host- and target-specific information.
 
 # This file switches on the shell variable ${machine}, and also uses the
 # following shell variables:
@@ -114,12 +114,6 @@
 #
 #  target_gtfiles       List of extra source files with type information.
 #
-#  build_xm_defines	List of macros to define when compiling for the
-#			build machine.
-#
-#  build_xm_file	List of files to include when compiling for the
-#			build machine.
-#
 #  host_xm_defines	List of macros to define when compiling for the
 #			host machine.
 #
@@ -137,16 +131,10 @@
 #
 #  target_cpu_default	Set to override the default target model.
 #
-#  build_install_headers_dir
-#			Target to use when installing header files.
-#
 #  gdb_needs_out_file_path
 #			Set to yes if gdb needs a dir command with
 #			`dirname $out_file`.
 #
-#  build_exeext		Set to the suffix, if the build machine requires
-#			executables to have a file name suffix.
-#
 #  host_exeext		Set to the suffix, if the host machine requires
 #			executables to have a file name suffix.
 #
@@ -179,8 +167,7 @@
 #  host_hook_obj	An object file that provides the host hooks.
 #
 #  install_headers_dir	Makefile-target for how the header file directory
-#			is installed, when this system is a build system,
-#			for build_install_headers_dir.
+#			is installed.
 #
 #  exeext		The suffix for executables on this system.
 #
@@ -2736,29 +2723,16 @@ then
 	fi
 fi
 
-# Save data on machine being used to compile GCC in build_xm_file.
 # Save data on host machine in vars host_xm_file and host_xmake_file.
-if test x$pass1done = x
-then
-	if test x$xm_file != x
-	then build_xm_file=$xm_file
-	fi
-	build_xm_defines=$xm_defines
-	build_install_headers_dir=$install_headers_dir
-	build_exeext=$exeext
-	pass1done=yes
-else
-	if test x$pass2done = x
-	then
-		if test x$xm_file != x
-		then host_xm_file=$xm_file
-		fi
-		host_xm_defines=$xm_defines
-		host_xmake_file="$xmake_file"
-		host_extra_gcc_objs=$extra_gcc_objs
-		host_extra_objs=$extra_host_objs
-		host_exeext=$exeext
-		out_host_hook_obj=$host_hook_obj
-		pass2done=yes
-	fi
+if test x$pass2done = x ; then
+  if test x$xm_file != x ; then
+    host_xm_file=$xm_file
+  fi
+  host_xm_defines=$xm_defines
+  host_xmake_file="$xmake_file"
+  host_extra_gcc_objs=$extra_gcc_objs
+  host_extra_objs=$extra_host_objs
+  host_exeext=$exeext
+  out_host_hook_obj=$host_hook_obj
+  pass2done=yes
 fi